See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Dissolved Al(OH)3 present in solution as Al3+(aq.) as well as     4 Al OH aq.           3 4 sp c 3 S Al aq. Al OH aq. K S K OH OH                          For minimum solubility   sp c 4 dS 0 d OH K 3 or K 0 OH            AITS-CRT-III (Paper-1)-PCM(Sol.)-JEE(Advanced)/19 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 9 1 4 sp c 3K OH K          